web.config.transform

<configuration>
  <configSections>
    <sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
      <section name="pages" type="System.Web.WebPages.Razor.Configuration.RazorPagesSection, System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
    </sectionGroup>
  </configSections>
  <appSettings>
    <add key="webPages:Enabled" value="false" />
  </appSettings>
  <system.web>
    <compilation>
      <buildProviders>
        <add extension=".cshtml" type="Nancy.ViewEngines.Razor.BuildProviders.NancyCSharpRazorBuildProvider, Nancy.ViewEngines.Razor.BuildProviders" />
        <add extension=".vbhtml" type="Nancy.ViewEngines.Razor.BuildProviders.NancyVisualBasicRazorBuildProvider, Nancy.ViewEngines.Razor.BuildProviders" />
      </buildProviders>
    </compilation>
  </system.web>
  <system.web.webPages.razor>
    <pages pageBaseType="Nancy.ViewEngines.Razor.NancyRazorViewBase">
      <namespaces>
        <add namespace="Nancy.ViewEngines.Razor" />
      </namespaces>
    </pages>
  </system.web.webPages.razor>
</configuration>